AirHint found the following cheapest return flights from Singapore (SIN) to Colombo (CMB) in May 2026 (see full year).

Return flights

13 May - 15 May	AirAsia
07 May - 19 May	AirAsia
12 May - 18 May	AirAsia
11 May - 15 May	AirAsia
12 May - 20 May	AirAsia
07 May - 10 May	AirAsia
01 May - 03 May	Air India
09 May - 20 Jun	IndiGo
14 May - 13 Jun	AirAsia
08 May - 11 May	Air India
02 May - 06 May	Air India
19 May - 24 May	Air India
26 May - 01 Jun	Air India
19 May - 02 Jun	AirAsia
31 May - 17 Jun	AirAsia
29 May - 02 Jun	Air India
29 May - 01 Jun	Air India
29 May - 01 Jun	Singapore Airlines	direct
29 May - 02 Jun	Singapore Airlines	direct
19 May - 02 Jun	Singapore Airlines	direct

Also check the deals for one-way flights from Singapore to Colombo in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Singapore to Colombo in May from $219

Return flights